1. Niwot Sanitation District Office
7395 N 95th St, Longmont, CO 80504
Coordinate: 40.10793,-105.14182
Phone: (303) 652-2525
2. Longmont Water Treatment Plant
13212 N 53rd St, Longmont, CO 80503
Coordinate: 40.21421,-105.2288
Phone: (303) 774-3710